<template>
<div>
    <a-radio-group v-model="value" @change="onChange">
        <a-radio-button value="a">广州</a-radio-button>
        <a-radio-button value="b">上海</a-radio-button>
        <a-radio-button value="c">北京</a-radio-button>
        <a-radio-button value="d">南京</a-radio-button>
    </a-radio-group>
</div>
</template>

<script>
export default {
data() {
    return {
    value: 'a',
    };
},
methods: {
    onChange(e) {
    console.log(`checked = ${e.target.value}`);
    },
},
};
</script>
  